Sixteen in One: White-Belted Megaselia Rondani (Diptera: Phoridae) From the New World Challenge Species Concepts Author Brown, Brian V. Entomology Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, bbrown@nhm.org Author Hartop, Emily A. Center for Integrative Biodiversity Discovery, Museum für Naturkunde-Leibniz Institute for Evolution and Biodiversity Science, Invalidenstr. 43, 10115 Berlin, Germany, Author Wong, Maria A. Entomology Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, and text Insect Systematics and Diversity 2022 6 3 1 17 journal article 10.1093/isd/ixac008 2399-3421 Megaselia danizona New Species Fig. 19 . urn:lsid:zoobank.org:act: 170 E0450-13F4-44F7-B608- BDA1EC88A5BD Holotype . Male. COSTA RICA : Guanacaste : Pailas II , 10.76°N , 85.3341°W , 809 m , 16.x.2014 , D. Janzen , W. Hallwachs , Malaise trap PL12-9 ( BIOUG29690 -E10) [ LACM ENT 366291 ] ( LACM ). Paratypes . BIOUG 29598-F02, 2 male , same data as holotype except 2.x.2014 , BIOUG 29691-B08, 1 male , same data as holotype , BIOUG 29947-G12, 1 male , Pailas II , 10.763 , –85.334 , 820 m , 12.vi.2014 , Malaise trap PL 12-3 ( LACM ). Holotype Barcode ACTTTGTATTTTATTTTCGGGGCATGAGCT GGAATAGTAGGAACTTCTTTAAGAATTATAATTCGAGCCGAA TTAGGTCACCCAGGTGCTTTAATCGGTGATGATCAAATTTAT AATGTAATTGTAACTGCTCATGCTTTTATTATAATTTTTTTTA TAGTTATACCAATTATAATAGGAGGATTTGGAAATTGATTAGT GCCTTTAATACTAGGAGCTCCTGATATAGCTTTCCCTCGAAT AAATAATATAAGATTTTGAATACTTCCTCCCTCATTAACCTTA TTATTAGCAAGAAGTATAGTAGAAAATGGAGCTGGGACAGG TTGAACTGTTTACCCCCCATTATCCTCTAGAATTGCTCATAG AGGATCTTCTGTTGATCTTGCAATTTTTTCACTTCATTTAGC CGGTATTTCTTCAATTTTAGGAGCAGTAAATTTTATTACTACA ATTATTAATATACGATCATCAGGAATTACTTTTGATCGAATAC CTTTATTTGTTTGATCAGTAGGAATCACAGCATTACTACTTCT TTTATCTCTACCTGTACTTGCAGGAGCAATTACAATACTTTTA ACAGAT------------------------------------------------ Other Specimens. 17 specimens from the ESG, Derrumbe, and PL12-3 sites in the ACG project. Diagnosis. The wing of M. danizona is highly distinctive, with a long costa and strongly anteriorly-curved M 1 vein ( Fig. 19 ). The barcode is most similar to that of A. oklizona new species , from which it differs by 6.06% minimum p-distance ( Fig. 1 , Table 1 ). This species is in BOLD as BOLD:ACY0171. Distribution. Costa Rica . Etymology. This species is named for Dan Janzen, whose projects have yielded many new species of insects.